verizon. >>> the vice president joe biden in asia with stops in japan, china and south korea, all on his itinerary. but the trip comes at a very, very sensitive moment. let's talk about that and more with our chief political analyst, gloria borger and our cnn political commentator, david frum. this is a very sensitive time. china now wanting to expand its territory -- air territory, if you will, making all sorts of threats. north korea holding two americans right now. he's got a full plate ahead of him. >> he does. the fact that the vice president has to do this personally is another demonstration of how obsolete our pacific security architecture is. these countries have relationships with the united states. there is not a coherent way to harmonize the security interests of democratic allies, japan, south korea, taiwan, which has this semi-strange existence. it's like a hub and spoke system. the united states is the hub, these are all in the spokes and the vice president of the united states has to fly over to coordinate it. that's not the way this kind of business should be done. >>